1. 听下面一段独白，请根据所听内容回答问题

Thomas Edison was a great American scientist.<br />Once a young man asked him a question, what is the secret of success?<br />The scientist told him that it was hard work.<br />A few weeks later, the young man asked him the same question again.<br />Edison was very angry.<br />He didn't say anything.<br />He wrote a few words on a piece of paper and handed it to the young man.<br />The young man looked at the piece of paper, seeing the words on the paper, A equals X<br />plus Y plus Z.<br />What does this mean?<br />Ask the young man.<br />A means success, the old scientist explained, X means hard work, Y means good ways and Z<br />means stop talking and go to work.<br />Thomas Edison was a great American scientist.<br />Once a young man asked him a question, what is the secret of success?<br />The scientist told him that it was hard work.<br />A few weeks later, the young man asked him the same question again.<br />Edison was very angry.<br />He didn't say anything.<br />He wrote a few words on a piece of paper and handed it to the young man.<br />The young man looked at the piece of paper, seeing the words on the paper, A equals X<br />plus Y plus Z.<br />What does this mean?<br />Ask the young man.<br />A means success, the old scientist explained, X means hard work, Y means good ways and Z<br />means stop talking and go to work.

1. （1） Where is Edison from?

   A . Japan. B . America. C . England.
3. （2） What did Edison tell the young man?

   A . Success was easy to get. B . Success depended on the chance. C . Success was hard work.
5. （3） What did Edison do when the young man asked him again?

   A . He wrote a letter on a piece of paper. B . He didn't answer him. C . He didn't say anything, but he wrote down something.
7. （4） What does "A" mean in the letter?

   A . Hard work. B . Success. C . Good ways.